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Energy absorption system and method of operation thereof

An energy and energy supply technology, applied in the field of energy consumption systems, can solve the problems of strong instability, excess power generation, low utilization rate of wind power and photovoltaics, etc.

Active Publication Date: 2021-07-23
杭州圣钘能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As the penetration rate of wind power and photovoltaic power systems continues to increase, the problem of consumption difficulties caused by excess wind power and photovoltaic power generation has arisen. The main reason is that the peak-shaving capacity of the energy consumption system is insufficient.
Wind power and solar power generation are highly dependent on the climate. When the climate is suitable, the power output is much greater than when the climate is not suitable, and the instability is strong. If the power generation is low when the power generation is used as the standard, there will be too much excess power. Therefore, the time-varying nature of the climate (characteristics that change over time) has at least partially led to the difficulty of accommodating wind power and photovoltaic power generation
[0004] At present, wind power and photovoltaic power generation are still restricted by power storage equipment technology, and usually can only meet the real-time load balance and instant use, so the utilization rate of wind power and photovoltaic power is generally low
[0005] On the other hand, among the existing heat storage heating technologies, coal-fired heating is the most common form of heating, but it is one of the main causes of serious air pollution.
In addition, most of its heat storage devices use hot water tanks, the heat storage temperature is low, the heat capacity is limited by the specific heat capacity of water, the output heat energy is in a single form, and the device occupies a large area

Method used

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  • Energy absorption system and method of operation thereof
  • Energy absorption system and method of operation thereof
  • Energy absorption system and method of operation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0080] An energy consumption system includes: a second induced draft fan 1 , a thermochemical heat storage device 3 and an air-water heat exchanger 10 .

[0081]The air-water heat exchanger 10 has an air circulation pipeline and a water circulation pipeline.

[0082] The gas circulation pipeline and the thermochemical heat storage device 3 form a loop. The water circulation pipeline is driven by a circulating water pump 18 and forms a loop with user heating facilities 19. The branch supplying water to the water circulation pipeline is composed of a softened water device 15, a water tank 16, and a replenishment pump 17 connected in series. The tap water enters the water tank 16 through the water softening device 15, and enters the air-water heat exchanger 10 to exchange heat with the hot air under the action of the supplementary water pump 17. After being heated to the heating temperature, it enters the user’s heating facility 19 for heating for residents, and returns cold wate...

Embodiment approach 2

[0091] The difference from the first embodiment is that the first heat storage unit 6 is directly fired or pressed from a thermochemical heat storage medium 61 .

[0092] combine figure 2 , image 3 and Figure 4 , in this embodiment, the first heat storage unit 6 includes a porous structure made of a substrate, and a thermochemical heat storage medium 61 that forms a coating on the surface of the substrate.

[0093] Wherein, the substrate is made of porous ceramic material, which has high thermal stability and can increase the utilization rate of the first heat storage unit 6 . When coating the surface of the substrate, fine air bubbles are injected into the coating made of the thermochemical heat storage medium 61, so that the coating attached to the surface of the substrate forms a loose porous structure after being shaped, thereby increasing the reaction contact. area, improving the efficiency of thermochemical reactions. Compared with directly pressing the thermochem...

Embodiment approach 3

[0095] The difference from Embodiments 1 and 2 is that: between the first gas outlet 33 of the thermochemical heat storage device 3 and the air inlet of the air-water heat exchanger 10, the second regulating valve 7 acts as a three-way valve and generates electricity. The generator 11 is connected, and the generator 11 is externally connected to the electrical equipment 12.

[0096] The second regulating valve 7 divides the heat release passage between the first air outlet 33 of the thermochemical heat storage device 3 and the air inlet of the air-water heat exchanger 10 into a main road and a first air outlet shunt. The air output from the air outlet branch can be used to drive the generator 11 for stable power generation. The closer to the first air outlet 33 of the thermochemical heat storage device 3, the higher the temperature of the air obtained by the air outlet branch, and the smaller the heat loss. This embodiment increases the heat utilization form of the air.

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Abstract

The present invention provides an energy consumption system and its operation method, comprising a thermochemical heat storage device, with an electric heater inside, capable of storing heat energy generated by the electric heater; an electric heating controller, electrically connected to the electric heater, The electric heating controller can use the electric energy converted from the excess energy to supply energy for the electric heater within the first specified time period. The system can convert the waste electricity generated by excess energy during daytime or peak hours into chemical energy of a thermochemical heat storage device, store it and use it rationally as needed, avoiding energy waste caused by real-time balance and ready-to-use. Thermochemical heat storage devices use chemical reactions to store heat. The reaction temperature is usually stable within a certain range, and its heat supply output is also relatively stable, so that the stability of heat supply can be taken into account. To sum up, the energy consumption system can take into account the stability of heat supply and the time-varying nature of excess energy, and improve the utilization rate of excess energy generation.

Description

technical field [0001] The invention relates to the technical field of energy reuse, in particular to an energy consumption system and an operating method thereof. Background technique [0002] With the development of production technology and the improvement of people's living standards, people's demand for energy continues to increase, but the environmental problems caused by traditional energy are also becoming more and more serious. In order to alleviate the environmental pressure caused by traditional energy sources, my country's electricity consumption structure has been continuously optimized in recent years, and the proportion of renewable energy has increased significantly. [0003] With the increasing penetration of wind power and photovoltaics into the power system, there has been a problem of consumption difficulties caused by excess wind power and photovoltaic power generation. The main reason is that the peak-shaving capacity of the energy consumption system is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D20/00F24H7/00F24H9/18
CPCF24H7/002F24H9/18F28D20/003Y02E60/14
Inventor 肖刚向铎倪明江岑可法
Owner 杭州圣钘能源有限公司